Dhund means a heap of ruins, and Dhundai and Dibai are very near each other in sense if not in sound. Crooke also gives the word Dungar, a hill, and hence the name Dongara . . . . Lalitpur . . 468 or, as spelt in the Urdu column, Dungara, ...
During the oestrus cycle in the pig there does not appear to be distinct follicular waves as in cows; it has been proposed that the final growth of follicles to ovulatory size takes 19 days. The luteal phase is characterised by the secretion of progesterone from of the corpus luteum.
Pigging in the context of pipelines refers to the practice of using devices known as pigs to perform various maintenance operations on a pipeline. This is done without stopping the flow of the product in the pipeline.These operations include but are not limited to cleaning and inspecting the pipeline.This is accomplished by inserting the pig into a 'pig launcher' (or 'launching station') - an oversized section in the pipeline, reducing to the normal diameter.igging systems are designed so that the pig is loaded into the launcher, which is pressured up to launch the pig into the pipeline through a kicker line. In some cases, the pig is removed from the pipeline via the receiver at the end of each run.